(3) Trolley frame, drums ^ sheaves, lifting hook block assembly, hoisting rope, gearing, rail end stops ^ bumpers, shaft 5! axles, bearing, couplling, guarding -%••£: electric overhead 1) intercell crane 2) mm height^ 4. Material requirements ^ power ^ control line ZLZ]JL ^l*}7l ^*}^ 280 mm widt h x 260 7}. 1) Girder, end trucks ^ trolley